| // -*- C++ -*- | |
| //===--------------------------- __config ---------------------------------===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is dual licensed under the MIT and the University of Illinois Open | |
| // Source Licenses. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef _LIBCPP_CONFIG | |
| #define _LIBCPP_CONFIG | |
| #if defined(_MSC_VER) && !defined(__clang__) | |
| # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | |
| # define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER | |
| #pragma GCC system_header | |
| #endif | |
| #ifdef __cplusplus | |
| #ifdef __GNUC__ | |
| # define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) | |
| // The _GNUC_VER_NEW macro better represents the new GCC versioning scheme | |
| // introduced in GCC 5.0. | |
| # define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__) | |
| #else | |
| # define _GNUC_VER 0 | |
| # define _GNUC_VER_NEW 0 | |
| #endif | |
| #define _LIBCPP_VERSION 7000 | |
| #ifndef _LIBCPP_ABI_VERSION | |
| # ifdef __Fuchsia__ | |
| # define _LIBCPP_ABI_VERSION 2 | |
| # else | |
| # define _LIBCPP_ABI_VERSION 1 | |
| # endif | |
| #endif | |
| #if defined(__ELF__) | |
| # define _LIBCPP_OBJECT_FORMAT_ELF 1 | |
| #elif defined(__MACH__) | |
| # define _LIBCPP_OBJECT_FORMAT_MACHO 1 | |
| #elif defined(_WIN32) | |
| # define _LIBCPP_OBJECT_FORMAT_COFF 1 | |
| #elif defined(__wasm__) | |
| # define _LIBCPP_OBJECT_FORMAT_WASM 1 | |
| #else | |
| # error Unknown object file format | |
| #endif | |
| #if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 | |
| // Change short string representation so that string data starts at offset 0, | |
| // improving its alignment in some cases. | |
| # define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT | |
| // Fix deque iterator type in order to support incomplete types. | |
| # define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE | |
| // Fix undefined behavior in how std::list stores its linked nodes. | |
| # define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB | |
| // Fix undefined behavior in how __tree stores its end and parent nodes. | |
| # define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB | |
| // Fix undefined behavior in how __hash_table stores its pointer types. | |
| # define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB | |
| # define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB | |
| # define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE | |
| // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr | |
| // provided under the alternate keyword __nullptr, which changes the mangling | |
| // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. | |
| # define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR | |
| // Define the `pointer_safety` enum as a C++11 strongly typed enumeration | |
| // instead of as a class simulating an enum. If this option is enabled | |
| // `pointer_safety` and `get_pointer_safety()` will no longer be available | |
| // in C++03. | |
| # define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE | |
| // Define a key function for `bad_function_call` in the library, to centralize | |
| // its vtable and typeinfo to libc++ rather than having all other libraries | |
| // using that class define their own copies. | |
| # define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION | |
| // Enable optimized version of __do_get_(un)signed which avoids redundant copies. | |
| # define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET | |
| // Use the smallest possible integer type to represent the index of the variant. | |
| // Previously libc++ used "unsigned int" exclusivly. | |
| # define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION | |
| #elif _LIBCPP_ABI_VERSION == 1 | |
| # if !defined(_LIBCPP_OBJECT_FORMAT_COFF) | |
| // Enable compiling copies of now inline methods into the dylib to support | |
| // applications compiled against older libraries. This is unnecessary with | |
| // COFF dllexport semantics, since dllexport forces a non-inline definition | |
| // of inline functions to be emitted anyway. Our own non-inline copy would | |
| // conflict with the dllexport-emitted copy, so we disable it. | |
| # define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS | |
| # endif | |
| // Feature macros for disabling pre ABI v1 features. All of these options | |
| // are deprecated. | |
| # if defined(__FreeBSD__) | |
| # define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR | |
| # endif | |
| #endif | |
| #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR | |
| #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ | |
| use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead | |
| #endif | |
| #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y | |
| #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) | |
| #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) | |
| #if __cplusplus < 201103L | |
| #define _LIBCPP_CXX03_LANG | |
| #endif | |
| #ifndef __has_attribute | |
| #define __has_attribute(__x) 0 | |
| #endif | |
| #ifndef __has_builtin | |
| #define __has_builtin(__x) 0 | |
| #endif | |
| #ifndef __has_extension | |
| #define __has_extension(__x) 0 | |
| #endif | |
| #ifndef __has_feature | |
| #define __has_feature(__x) 0 | |
| #endif | |
| #ifndef __has_cpp_attribute | |
| #define __has_cpp_attribute(__x) 0 | |
| #endif | |
| // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by | |
| // the compiler and '1' otherwise. | |
| #ifndef __is_identifier | |
| #define __is_identifier(__x) 1 | |
| #endif | |
| #ifndef __has_declspec_attribute | |
| #define __has_declspec_attribute(__x) 0 | |
| #endif | |
| #define __has_keyword(__x) !(__is_identifier(__x)) | |
| #ifdef __has_include | |
| # define __libcpp_has_include(__x) __has_include(__x) | |
| #else | |
| # define __libcpp_has_include(__x) 0 | |
| #endif | |
| #if defined(__clang__) | |
| # define _LIBCPP_COMPILER_CLANG | |
| # ifndef __apple_build_version__ | |
| # define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) | |
| # endif | |
| #elif defined(__GNUC__) | |
| # define _LIBCPP_COMPILER_GCC | |
| #elif defined(_MSC_VER) | |
| # define _LIBCPP_COMPILER_MSVC | |
| #elif defined(__IBMCPP__) | |
| # define _LIBCPP_COMPILER_IBM | |
| #endif | |
| #ifndef _LIBCPP_CLANG_VER | |
| #define _LIBCPP_CLANG_VER 0 | |
| #endif | |
| // FIXME: ABI detection should be done via compiler builtin macros. This | |
| // is just a placeholder until Clang implements such macros. For now assume | |
| // that Windows compilers pretending to be MSVC++ target the Microsoft ABI, | |
| // and allow the user to explicitly specify the ABI to handle cases where this | |
| // heuristic falls short. | |
| #if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT) | |
| # error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined" | |
| #elif defined(_LIBCPP_ABI_FORCE_ITANIUM) | |
| # define _LIBCPP_ABI_ITANIUM | |
| #elif defined(_LIBCPP_ABI_FORCE_MICROSOFT) | |
| # define _LIBCPP_ABI_MICROSOFT | |
| #else | |
| # if defined(_WIN32) && defined(_MSC_VER) | |
| # define _LIBCPP_ABI_MICROSOFT | |
| # else | |
| # define _LIBCPP_ABI_ITANIUM | |
| # endif | |
| #endif | |
| // Need to detect which libc we're using if we're on Linux. | |
| #if defined(__linux__) | |
| # include <features.h> | |
| # if defined(__GLIBC_PREREQ) | |
| # define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b) | |
| # else | |
| # define _LIBCPP_GLIBC_PREREQ(a, b) 0 | |
| # endif // defined(__GLIBC_PREREQ) | |
| #endif // defined(__linux__) | |
| #ifdef __LITTLE_ENDIAN__ | |
| # if __LITTLE_ENDIAN__ | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # endif // __LITTLE_ENDIAN__ | |
| #endif // __LITTLE_ENDIAN__ | |
| #ifdef __BIG_ENDIAN__ | |
| # if __BIG_ENDIAN__ | |
| # define _LIBCPP_BIG_ENDIAN | |
| # endif // __BIG_ENDIAN__ | |
| #endif // __BIG_ENDIAN__ | |
| #ifdef __BYTE_ORDER__ | |
| # if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
| # define _LIBCPP_BIG_ENDIAN | |
| # endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
| #endif // __BYTE_ORDER__ | |
| #ifdef __FreeBSD__ | |
| # include <sys/endian.h> | |
| # if _BYTE_ORDER == _LITTLE_ENDIAN | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # else // _BYTE_ORDER == _LITTLE_ENDIAN | |
| # define _LIBCPP_BIG_ENDIAN | |
| # endif // _BYTE_ORDER == _LITTLE_ENDIAN | |
| # ifndef __LONG_LONG_SUPPORTED | |
| # define _LIBCPP_HAS_NO_LONG_LONG | |
| # endif // __LONG_LONG_SUPPORTED | |
| #endif // __FreeBSD__ | |
| #ifdef __NetBSD__ | |
| # include <sys/endian.h> | |
| # if _BYTE_ORDER == _LITTLE_ENDIAN | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # else // _BYTE_ORDER == _LITTLE_ENDIAN | |
| # define _LIBCPP_BIG_ENDIAN | |
| # endif // _BYTE_ORDER == _LITTLE_ENDIAN | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| #endif // __NetBSD__ | |
| #if defined(_WIN32) | |
| # define _LIBCPP_WIN32API | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # define _LIBCPP_SHORT_WCHAR 1 | |
| // Both MinGW and native MSVC provide a "MSVC"-like enviroment | |
| # define _LIBCPP_MSVCRT_LIKE | |
| // If mingw not explicitly detected, assume using MS C runtime only if | |
| // a MS compatibility version is specified. | |
| # if defined(_MSC_VER) && !defined(__MINGW32__) | |
| # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library | |
| # endif | |
| # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) | |
| # define _LIBCPP_HAS_BITSCAN64 | |
| # endif | |
| # define _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| # if defined(_LIBCPP_MSVCRT) | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| # endif | |
| // Some CRT APIs are unavailable to store apps | |
| # if defined(WINAPI_FAMILY) | |
| # include <winapifamily.h> | |
| # if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \ | |
| (!defined(WINAPI_PARTITION_SYSTEM) || \ | |
| !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM)) | |
| # define _LIBCPP_WINDOWS_STORE_APP | |
| # endif | |
| # endif | |
| #endif // defined(_WIN32) | |
| #ifdef __sun__ | |
| # include <sys/isa_defs.h> | |
| # ifdef _LITTLE_ENDIAN | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # else | |
| # define _LIBCPP_BIG_ENDIAN | |
| # endif | |
| #endif // __sun__ | |
| #if defined(__CloudABI__) | |
| // Certain architectures provide arc4random(). Prefer using | |
| // arc4random() over /dev/{u,}random to make it possible to obtain | |
| // random data even when using sandboxing mechanisms such as chroots, | |
| // Capsicum, etc. | |
| # define _LIBCPP_USING_ARC4_RANDOM | |
| #elif defined(__Fuchsia__) | |
| # define _LIBCPP_USING_GETENTROPY | |
| #elif defined(__native_client__) | |
| // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, | |
| // including accesses to the special files under /dev. C++11's | |
| // std::random_device is instead exposed through a NaCl syscall. | |
| # define _LIBCPP_USING_NACL_RANDOM | |
| #elif defined(_LIBCPP_WIN32API) | |
| # define _LIBCPP_USING_WIN32_RANDOM | |
| #else | |
| # define _LIBCPP_USING_DEV_RANDOM | |
| #endif | |
| #if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) | |
| # include <endian.h> | |
| # if __BYTE_ORDER == __LITTLE_ENDIAN | |
| # define _LIBCPP_LITTLE_ENDIAN | |
| # elif __BYTE_ORDER == __BIG_ENDIAN | |
| # define _LIBCPP_BIG_ENDIAN | |
| # else // __BYTE_ORDER == __BIG_ENDIAN | |
| # error unable to determine endian | |
| # endif | |
| #endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) | |
| #if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC) | |
| # define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) | |
| #else | |
| # define _LIBCPP_NO_CFI | |
| #endif | |
| #if defined(_LIBCPP_COMPILER_CLANG) | |
| // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for | |
| // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. | |
| #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ | |
| (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \ | |
| defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) | |
| #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT | |
| #endif | |
| #if __has_feature(cxx_alignas) | |
| # define _ALIGNAS_TYPE(x) alignas(x) | |
| # define _ALIGNAS(x) alignas(x) | |
| #else | |
| # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) | |
| # define _ALIGNAS(x) __attribute__((__aligned__(x))) | |
| #endif | |
| #if __cplusplus < 201103L | |
| typedef __char16_t char16_t; | |
| typedef __char32_t char32_t; | |
| #endif | |
| #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) | |
| #define _LIBCPP_NO_EXCEPTIONS | |
| #endif | |
| #if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI) | |
| #define _LIBCPP_NO_RTTI | |
| #endif | |
| #if !(__has_feature(cxx_strong_enums)) | |
| #define _LIBCPP_HAS_NO_STRONG_ENUMS | |
| #endif | |
| #if !(__has_feature(cxx_decltype)) | |
| #define _LIBCPP_HAS_NO_DECLTYPE | |
| #endif | |
| #if __has_feature(cxx_attributes) | |
| # define _LIBCPP_NORETURN [[noreturn]] | |
| #else | |
| # define _LIBCPP_NORETURN __attribute__ ((noreturn)) | |
| #endif | |
| #if !(__has_feature(cxx_lambdas)) | |
| #define _LIBCPP_HAS_NO_LAMBDAS | |
| #endif | |
| #if !(__has_feature(cxx_nullptr)) | |
| # if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) | |
| # define nullptr __nullptr | |
| # else | |
| # define _LIBCPP_HAS_NO_NULLPTR | |
| # endif | |
| #endif | |
| #if !(__has_feature(cxx_rvalue_references)) | |
| #define _LIBCPP_HAS_NO_RVALUE_REFERENCES | |
| #endif | |
| #if !(__has_feature(cxx_auto_type)) | |
| #define _LIBCPP_HAS_NO_AUTO_TYPE | |
| #endif | |
| #if !(__has_feature(cxx_variadic_templates)) | |
| #define _LIBCPP_HAS_NO_VARIADICS | |
| #endif | |
| #if !(__has_feature(cxx_generalized_initializers)) | |
| #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | |
| #endif | |
| #if __has_feature(is_base_of) | |
| #define _LIBCPP_HAS_IS_BASE_OF | |
| #endif | |
| #if __has_feature(is_final) | |
| #define _LIBCPP_HAS_IS_FINAL | |
| #endif | |
| // Objective-C++ features (opt-in) | |
| #if __has_feature(objc_arc) | |
| #define _LIBCPP_HAS_OBJC_ARC | |
| #endif | |
| #if __has_feature(objc_arc_weak) | |
| #define _LIBCPP_HAS_OBJC_ARC_WEAK | |
| #endif | |
| #if !(__has_feature(cxx_constexpr)) | |
| #define _LIBCPP_HAS_NO_CONSTEXPR | |
| #endif | |
| #if !(__has_feature(cxx_relaxed_constexpr)) | |
| #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR | |
| #endif | |
| #if !(__has_feature(cxx_variable_templates)) | |
| #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES | |
| #endif | |
| #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L | |
| # if defined(__FreeBSD__) | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| # define _LIBCPP_HAS_C11_FEATURES | |
| # elif defined(__Fuchsia__) | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| # define _LIBCPP_HAS_C11_FEATURES | |
| # elif defined(__linux__) | |
| # if !defined(_LIBCPP_HAS_MUSL_LIBC) | |
| # if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__) | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| # endif | |
| # if _LIBCPP_GLIBC_PREREQ(2, 17) | |
| # define _LIBCPP_HAS_C11_FEATURES | |
| # endif | |
| # else // defined(_LIBCPP_HAS_MUSL_LIBC) | |
| # define _LIBCPP_HAS_QUICK_EXIT | |
| # define _LIBCPP_HAS_C11_FEATURES | |
| # endif | |
| # endif // __linux__ | |
| #endif | |
| #if !(__has_feature(cxx_noexcept)) | |
| #define _LIBCPP_HAS_NO_NOEXCEPT | |
| #endif | |
| #if __has_feature(underlying_type) | |
| #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) | |
| #endif | |
| #if __has_feature(is_literal) | |
| #define _LIBCPP_IS_LITERAL(T) __is_literal(T) | |
| #endif | |
| // Inline namespaces are available in Clang regardless of C++ dialect. | |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { | |
| #define _LIBCPP_END_NAMESPACE_STD } } | |
| #define _VSTD std::_LIBCPP_NAMESPACE | |
| namespace std { | |
| inline namespace _LIBCPP_NAMESPACE { | |
| } | |
| } | |
| #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) | |
| #define _LIBCPP_HAS_NO_ASAN | |
| #endif | |
| // Allow for build-time disabling of unsigned integer sanitization | |
| #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) | |
| #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) | |
| #endif | |
| #if __has_builtin(__builtin_launder) | |
| #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER | |
| #endif | |
| #if !__is_identifier(__has_unique_object_representations) | |
| #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS | |
| #endif | |
| #elif defined(_LIBCPP_COMPILER_GCC) | |
| #define _ALIGNAS(x) __attribute__((__aligned__(x))) | |
| #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) | |
| #define _LIBCPP_NORETURN __attribute__((noreturn)) | |
| #if _GNUC_VER >= 407 | |
| #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) | |
| #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) | |
| #define _LIBCPP_HAS_IS_FINAL | |
| #endif | |
| #if defined(__GNUC__) && _GNUC_VER >= 403 | |
| #define _LIBCPP_HAS_IS_BASE_OF | |
| #endif | |
| #if !__EXCEPTIONS | |
| #define _LIBCPP_NO_EXCEPTIONS | |
| #endif | |
| // constexpr was added to GCC in 4.6. | |
| #if _GNUC_VER < 406 | |
| # define _LIBCPP_HAS_NO_CONSTEXPR | |
| // Can only use constexpr in c++11 mode. | |
| #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L | |
| # define _LIBCPP_HAS_NO_CONSTEXPR | |
| #endif | |
| // Determine if GCC supports relaxed constexpr | |
| #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L | |
| #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR | |
| #endif | |
| // GCC 5 will support variable templates | |
| #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L | |
| #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES | |
| #endif | |
| #ifndef __GXX_EXPERIMENTAL_CXX0X__ | |
| #define _LIBCPP_HAS_NO_DECLTYPE | |
| #define _LIBCPP_HAS_NO_NULLPTR | |
| #define _LIBCPP_HAS_NO_UNICODE_CHARS | |
| #define _LIBCPP_HAS_NO_VARIADICS | |
| #define _LIBCPP_HAS_NO_RVALUE_REFERENCES | |
| #define _LIBCPP_HAS_NO_STRONG_ENUMS | |
| #define _LIBCPP_HAS_NO_NOEXCEPT | |
| #else // __GXX_EXPERIMENTAL_CXX0X__ | |
| #if _GNUC_VER < 403 | |
| #define _LIBCPP_HAS_NO_RVALUE_REFERENCES | |
| #endif | |
| #if _GNUC_VER < 404 | |
| #define _LIBCPP_HAS_NO_DECLTYPE | |
| #define _LIBCPP_HAS_NO_UNICODE_CHARS | |
| #define _LIBCPP_HAS_NO_VARIADICS | |
| #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | |
| #endif // _GNUC_VER < 404 | |
| #if _GNUC_VER < 406 | |
| #define _LIBCPP_HAS_NO_NOEXCEPT | |
| #define _LIBCPP_HAS_NO_NULLPTR | |
| #endif | |
| #endif // __GXX_EXPERIMENTAL_CXX0X__ | |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE { | |
| #define _LIBCPP_END_NAMESPACE_STD } } | |
| #define _VSTD std::_LIBCPP_NAMESPACE | |
| namespace std { | |
| inline namespace _LIBCPP_NAMESPACE { | |
| } | |
| } | |
| #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) | |
| #define _LIBCPP_HAS_NO_ASAN | |
| #endif | |
| #if _GNUC_VER >= 700 | |
| #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER | |
| #endif | |
| #if _GNUC_VER >= 700 | |
| #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS | |
| #endif | |
| #elif defined(_LIBCPP_COMPILER_MSVC) | |
| #define _LIBCPP_TOSTRING2(x) #x | |
| #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) | |
| #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) | |
| #if _MSC_VER < 1900 | |
| #error "MSVC versions prior to Visual Studio 2015 are not supported" | |
| #endif | |
| #define _LIBCPP_HAS_IS_BASE_OF | |
| #define _LIBCPP_HAS_NO_CONSTEXPR | |
| #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR | |
| #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES | |
| #define _LIBCPP_HAS_NO_NOEXCEPT | |
| #define __alignof__ __alignof | |
| #define _LIBCPP_NORETURN __declspec(noreturn) | |
| #define _ALIGNAS(x) __declspec(align(x)) | |
| #define _ALIGNAS_TYPE(x) alignas(x) | |
| #define _LIBCPP_HAS_NO_VARIADICS | |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { | |
| #define _LIBCPP_END_NAMESPACE_STD } | |
| #define _VSTD std | |
| namespace std { | |
| } | |
| #define _LIBCPP_WEAK | |
| #define _LIBCPP_HAS_NO_ASAN | |
| #elif defined(_LIBCPP_COMPILER_IBM) | |
| #define _ALIGNAS(x) __attribute__((__aligned__(x))) | |
| #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) | |
| #define _ATTRIBUTE(x) __attribute__((x)) | |
| #define _LIBCPP_NORETURN __attribute__((noreturn)) | |
| #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | |
| #define _LIBCPP_HAS_NO_NOEXCEPT | |
| #define _LIBCPP_HAS_NO_NULLPTR | |
| #define _LIBCPP_HAS_NO_UNICODE_CHARS | |
| #define _LIBCPP_HAS_IS_BASE_OF | |
| #define _LIBCPP_HAS_IS_FINAL | |
| #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES | |
| #if defined(_AIX) | |
| #define __MULTILOCALE_API | |
| #endif | |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { | |
| #define _LIBCPP_END_NAMESPACE_STD } } | |
| #define _VSTD std::_LIBCPP_NAMESPACE | |
| namespace std { | |
| inline namespace _LIBCPP_NAMESPACE { | |
| } | |
| } | |
| #define _LIBCPP_HAS_NO_ASAN | |
| #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] | |
| #if defined(_LIBCPP_OBJECT_FORMAT_COFF) | |
| #ifdef _DLL | |
| # define _LIBCPP_CRT_FUNC __declspec(dllimport) | |
| #else | |
| # define _LIBCPP_CRT_FUNC | |
| #endif | |
| #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_DLL_VIS | |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS | |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS | |
| # define _LIBCPP_OVERRIDABLE_FUNC_VIS | |
| #elif defined(_LIBCPP_BUILDING_LIBRARY) | |
| # define _LIBCPP_DLL_VIS __declspec(dllexport) | |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS | |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS | |
| # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS | |
| #else | |
| # define _LIBCPP_DLL_VIS __declspec(dllimport) | |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS | |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS | |
| # define _LIBCPP_OVERRIDABLE_FUNC_VIS | |
| #endif | |
| #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS | |
| #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS | |
| #define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS | |
| #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS | |
| #define _LIBCPP_HIDDEN | |
| #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS | |
| #define _LIBCPP_TEMPLATE_VIS | |
| #define _LIBCPP_ENUM_VIS | |
| #if defined(_LIBCPP_COMPILER_MSVC) | |
| # define _LIBCPP_INLINE_VISIBILITY __forceinline | |
| # define _LIBCPP_ALWAYS_INLINE __forceinline | |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline | |
| #else | |
| # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) | |
| # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) | |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) | |
| #endif | |
| #endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) | |
| #ifndef _LIBCPP_HIDDEN | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) | |
| # else | |
| # define _LIBCPP_HIDDEN | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| // The inline should be removed once PR32114 is resolved | |
| # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN | |
| # else | |
| # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_FUNC_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) | |
| # else | |
| # define _LIBCPP_FUNC_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_TYPE_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) | |
| # else | |
| # define _LIBCPP_TYPE_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_TEMPLATE_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # if __has_attribute(__type_visibility__) | |
| # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) | |
| # else | |
| # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) | |
| # endif | |
| # else | |
| # define _LIBCPP_TEMPLATE_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_EXTERN_VIS | |
| #define _LIBCPP_EXTERN_VIS | |
| #endif | |
| #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS | |
| #define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS | |
| #endif | |
| #ifndef _LIBCPP_EXCEPTION_ABI | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) | |
| # else | |
| # define _LIBCPP_EXCEPTION_ABI | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_ENUM_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) | |
| # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) | |
| # else | |
| # define _LIBCPP_ENUM_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) | |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) | |
| # else | |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS | |
| #define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS | |
| #endif | |
| #ifndef _LIBCPP_INLINE_VISIBILITY | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) | |
| # else | |
| # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_ALWAYS_INLINE | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) | |
| # else | |
| # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY | |
| # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) | |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) | |
| # else | |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_PREFERRED_OVERLOAD | |
| # if __has_attribute(__enable_if__) | |
| # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_HAS_NO_NOEXCEPT | |
| # define _NOEXCEPT noexcept | |
| # define _NOEXCEPT_(x) noexcept(x) | |
| #else | |
| # define _NOEXCEPT throw() | |
| # define _NOEXCEPT_(x) | |
| #endif | |
| #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) | |
| # if !defined(_LIBCPP_DEBUG) | |
| # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined | |
| # endif | |
| # ifdef _LIBCPP_HAS_NO_NOEXCEPT | |
| # define _NOEXCEPT_DEBUG | |
| # define _NOEXCEPT_DEBUG_(x) | |
| # else | |
| # define _NOEXCEPT_DEBUG noexcept(false) | |
| # define _NOEXCEPT_DEBUG_(x) noexcept(false) | |
| # endif | |
| #else | |
| # define _NOEXCEPT_DEBUG _NOEXCEPT | |
| # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) | |
| #endif | |
| #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS | |
| typedef unsigned short char16_t; | |
| typedef unsigned int char32_t; | |
| #endif // _LIBCPP_HAS_NO_UNICODE_CHARS | |
| #ifndef __SIZEOF_INT128__ | |
| #define _LIBCPP_HAS_NO_INT128 | |
| #endif | |
| #ifdef _LIBCPP_CXX03_LANG | |
| # if __has_extension(c_static_assert) | |
| # define static_assert(__b, __m) _Static_assert(__b, __m) | |
| # else | |
| extern "C++" { | |
| template <bool> struct __static_assert_test; | |
| template <> struct __static_assert_test<true> {}; | |
| template <unsigned> struct __static_assert_check {}; | |
| } | |
| # define static_assert(__b, __m) \ | |
| typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ | |
| _LIBCPP_CONCAT(__t, __LINE__) | |
| # endif // __has_extension(c_static_assert) | |
| #endif // _LIBCPP_CXX03_LANG | |
| #ifdef _LIBCPP_HAS_NO_DECLTYPE | |
| // GCC 4.6 provides __decltype in all standard modes. | |
| # if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 | |
| # define decltype(__x) __decltype(__x) | |
| # else | |
| # define decltype(__x) __typeof__(__x) | |
| # endif | |
| #endif | |
| #ifdef _LIBCPP_HAS_NO_CONSTEXPR | |
| # define _LIBCPP_CONSTEXPR | |
| #else | |
| # define _LIBCPP_CONSTEXPR constexpr | |
| #endif | |
| #ifdef _LIBCPP_CXX03_LANG | |
| # define _LIBCPP_DEFAULT {} | |
| #else | |
| # define _LIBCPP_DEFAULT = default; | |
| #endif | |
| #ifdef _LIBCPP_CXX03_LANG | |
| # define _LIBCPP_EQUAL_DELETE | |
| #else | |
| # define _LIBCPP_EQUAL_DELETE = delete | |
| #endif | |
| #ifdef __GNUC__ | |
| # define _NOALIAS __attribute__((__malloc__)) | |
| #else | |
| # define _NOALIAS | |
| #endif | |
| #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ | |
| (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions | |
| # define _LIBCPP_EXPLICIT explicit | |
| #else | |
| # define _LIBCPP_EXPLICIT | |
| #endif | |
| #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) | |
| #define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE | |
| #endif | |
| #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS | |
| # define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx | |
| # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ | |
| __lx __v_; \ | |
| _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ | |
| _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ | |
| _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ | |
| }; | |
| #else // _LIBCPP_HAS_NO_STRONG_ENUMS | |
| # define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x | |
| # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) | |
| #endif // _LIBCPP_HAS_NO_STRONG_ENUMS | |
| #ifdef _LIBCPP_DEBUG | |
| # if _LIBCPP_DEBUG == 0 | |
| # define _LIBCPP_DEBUG_LEVEL 1 | |
| # elif _LIBCPP_DEBUG == 1 | |
| # define _LIBCPP_DEBUG_LEVEL 2 | |
| # else | |
| # error Supported values for _LIBCPP_DEBUG are 0 and 1 | |
| # endif | |
| # if !defined(_LIBCPP_BUILDING_LIBRARY) | |
| # define _LIBCPP_EXTERN_TEMPLATE(...) | |
| # endif | |
| #endif | |
| #ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE | |
| #define _LIBCPP_EXTERN_TEMPLATE(...) | |
| #define _LIBCPP_EXTERN_TEMPLATE2(...) | |
| #endif | |
| #ifndef _LIBCPP_EXTERN_TEMPLATE | |
| #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; | |
| #endif | |
| #ifndef _LIBCPP_EXTERN_TEMPLATE2 | |
| #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; | |
| #endif | |
| #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) | |
| #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) | |
| #endif | |
| #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \ | |
| defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) | |
| #define _LIBCPP_LOCALE__L_EXTENSIONS 1 | |
| #endif | |
| #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) | |
| // Most unix variants have catopen. These are the specific ones that don't. | |
| # if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) | |
| # define _LIBCPP_HAS_CATOPEN 1 | |
| # endif | |
| #endif | |
| #ifdef __FreeBSD__ | |
| #define _DECLARE_C99_LDBL_MATH 1 | |
| #endif | |
| // If we are getting operator new from the MSVC CRT, then allocation overloads | |
| // for align_val_t were added in 19.12, aka VS 2017 version 15.3. | |
| #if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912 | |
| #define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION | |
| #endif | |
| #if defined(__APPLE__) | |
| # if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ | |
| defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) | |
| # define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ | |
| # endif | |
| # if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) | |
| # if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060 | |
| # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION | |
| # endif | |
| # endif | |
| #endif // defined(__APPLE__) | |
| #if defined(__APPLE__) || defined(__FreeBSD__) | |
| #define _LIBCPP_HAS_DEFAULTRUNELOCALE | |
| #endif | |
| #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) | |
| #define _LIBCPP_WCTYPE_IS_MASK | |
| #endif | |
| #ifndef _LIBCPP_STD_VER | |
| # if __cplusplus <= 201103L | |
| # define _LIBCPP_STD_VER 11 | |
| # elif __cplusplus <= 201402L | |
| # define _LIBCPP_STD_VER 14 | |
| # elif __cplusplus <= 201703L | |
| # define _LIBCPP_STD_VER 17 | |
| # else | |
| # define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification | |
| # endif | |
| #endif // _LIBCPP_STD_VER | |
| #if _LIBCPP_STD_VER > 11 | |
| # define _LIBCPP_DEPRECATED [[deprecated]] | |
| #else | |
| # define _LIBCPP_DEPRECATED | |
| #endif | |
| #if _LIBCPP_STD_VER <= 11 | |
| # define _LIBCPP_EXPLICIT_AFTER_CXX11 | |
| # define _LIBCPP_DEPRECATED_AFTER_CXX11 | |
| #else | |
| # define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit | |
| # define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] | |
| #endif | |
| #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr | |
| #else | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX11 | |
| #endif | |
| #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr | |
| #else | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX14 | |
| #endif | |
| #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr | |
| #else | |
| # define _LIBCPP_CONSTEXPR_AFTER_CXX17 | |
| #endif | |
| #if __has_cpp_attribute(nodiscard) && _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) | |
| # define _LIBCPP_NODISCARD_AFTER_CXX17 [[nodiscard]] | |
| #else | |
| # define _LIBCPP_NODISCARD_AFTER_CXX17 | |
| #endif | |
| #if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L) | |
| # define _LIBCPP_INLINE_VAR inline | |
| #else | |
| # define _LIBCPP_INLINE_VAR | |
| #endif | |
| #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES | |
| # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) | |
| #else | |
| # define _LIBCPP_EXPLICIT_MOVE(x) (x) | |
| #endif | |
| #ifndef _LIBCPP_HAS_NO_ASAN | |
| _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( | |
| const void *, const void *, const void *, const void *); | |
| #endif | |
| // Try to find out if RTTI is disabled. | |
| // g++ and cl.exe have RTTI on by default and define a macro when it is. | |
| // g++ only defines the macro in 4.3.2 and onwards. | |
| #if !defined(_LIBCPP_NO_RTTI) | |
| # if defined(__GNUC__) && \ | |
| ((__GNUC__ >= 5) || \ | |
| (__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && \ | |
| !defined(__GXX_RTTI) | |
| # define _LIBCPP_NO_RTTI | |
| # elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI) | |
| # define _LIBCPP_NO_RTTI | |
| # endif | |
| #endif | |
| #ifndef _LIBCPP_WEAK | |
| #define _LIBCPP_WEAK __attribute__((__weak__)) | |
| #endif | |
| // Thread API | |
| #if !defined(_LIBCPP_HAS_NO_THREADS) && \ | |
| !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ | |
| !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \ | |
| !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) | |
| # if defined(__FreeBSD__) || \ | |
| defined(__Fuchsia__) || \ | |
| defined(__NetBSD__) || \ | |
| defined(__linux__) || \ | |
| defined(__APPLE__) || \ | |
| defined(__CloudABI__) || \ | |
| defined(__sun__) || \ | |
| (defined(__MINGW32__) && __libcpp_has_include(<pthread.h>)) | |
| # define _LIBCPP_HAS_THREAD_API_PTHREAD | |
| # elif defined(_LIBCPP_WIN32API) | |
| # define _LIBCPP_HAS_THREAD_API_WIN32 | |
| # else | |
| # error "No thread API" | |
| # endif // _LIBCPP_HAS_THREAD_API | |
| #endif // _LIBCPP_HAS_NO_THREADS | |
| #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) | |
| #error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ | |
| _LIBCPP_HAS_NO_THREADS is not defined. | |
| #endif | |
| #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) | |
| #error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ | |
| _LIBCPP_HAS_NO_THREADS is defined. | |
| #endif | |
| #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) | |
| #error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ | |
| _LIBCPP_HAS_NO_THREADS is defined. | |
| #endif | |
| // Systems that use capability-based security (FreeBSD with Capsicum, | |
| // Nuxi CloudABI) may only provide local filesystem access (using *at()). | |
| // Functions like open(), rename(), unlink() and stat() should not be | |
| // used, as they attempt to access the global filesystem namespace. | |
| #ifdef __CloudABI__ | |
| #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| #endif | |
| // CloudABI is intended for running networked services. Processes do not | |
| // have standard input and output channels. | |
| #ifdef __CloudABI__ | |
| #define _LIBCPP_HAS_NO_STDIN | |
| #define _LIBCPP_HAS_NO_STDOUT | |
| #endif | |
| #if defined(__BIONIC__) || defined(__CloudABI__) || \ | |
| defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC) | |
| #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE | |
| #endif | |
| // Thread-unsafe functions such as strtok() and localtime() | |
| // are not available. | |
| #ifdef __CloudABI__ | |
| #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS | |
| #endif | |
| #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) | |
| # define _LIBCPP_HAS_C_ATOMIC_IMP | |
| #elif _GNUC_VER > 407 | |
| # define _LIBCPP_HAS_GCC_ATOMIC_IMP | |
| #endif | |
| #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ | |
| || defined(_LIBCPP_HAS_NO_THREADS) | |
| #define _LIBCPP_HAS_NO_ATOMIC_HEADER | |
| #endif | |
| #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK | |
| #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK | |
| #endif | |
| #if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) | |
| # if defined(__clang__) && __has_attribute(acquire_capability) | |
| // Work around the attribute handling in clang. When both __declspec and | |
| // __attribute__ are present, the processing goes awry preventing the definition | |
| // of the types. | |
| # if !defined(_LIBCPP_OBJECT_FORMAT_COFF) | |
| # define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS | |
| # endif | |
| # endif | |
| #endif | |
| #if __has_attribute(require_constant_initialization) | |
| # define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) | |
| #else | |
| # define _LIBCPP_SAFE_STATIC | |
| #endif | |
| #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 | |
| #define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF | |
| #endif | |
| #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) | |
| # if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) | |
| # define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS | |
| # endif | |
| #endif | |
| #if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) | |
| # define _LIBCPP_DIAGNOSE_WARNING(...) \ | |
| __attribute__((diagnose_if(__VA_ARGS__, "warning"))) | |
| # define _LIBCPP_DIAGNOSE_ERROR(...) \ | |
| __attribute__((diagnose_if(__VA_ARGS__, "error"))) | |
| #else | |
| # define _LIBCPP_DIAGNOSE_WARNING(...) | |
| # define _LIBCPP_DIAGNOSE_ERROR(...) | |
| #endif | |
| #if __has_attribute(fallthough) || _GNUC_VER >= 700 | |
| // Use a function like macro to imply that it must be followed by a semicolon | |
| # define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__)) | |
| #else | |
| # define _LIBCPP_FALLTHROUGH() ((void)0) | |
| #endif | |
| #if defined(_LIBCPP_ABI_MICROSOFT) && \ | |
| (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) | |
| # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) | |
| #else | |
| # define _LIBCPP_DECLSPEC_EMPTY_BASES | |
| #endif | |
| #if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) | |
| #define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR | |
| #define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS | |
| #define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE | |
| #define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS | |
| #endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES | |
| #if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611 | |
| #define _LIBCPP_HAS_NO_DEDUCTION_GUIDES | |
| #endif | |
| #if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001) | |
| #define _LIBCPP_HAS_NO_IS_AGGREGATE | |
| #endif | |
| #if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L | |
| #define _LIBCPP_HAS_NO_COROUTINES | |
| #endif | |
| // FIXME: Correct this macro when either (A) a feature test macro for the | |
| // spaceship operator is provided, or (B) a compiler provides a complete | |
| // implementation. | |
| #define _LIBCPP_HAS_NO_SPACESHIP_OPERATOR | |
| // Decide whether to use availability macros. | |
| #if !defined(_LIBCPP_BUILDING_LIBRARY) && \ | |
| !defined(_LIBCPP_DISABLE_AVAILABILITY) && \ | |
| __has_feature(attribute_availability_with_strict) && \ | |
| __has_feature(attribute_availability_in_templates) | |
| # ifdef __APPLE__ | |
| # define _LIBCPP_USE_AVAILABILITY_APPLE | |
| # endif | |
| #endif | |
| // Define availability macros. | |
| #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) | |
| # define _LIBCPP_AVAILABILITY_SHARED_MUTEX \ | |
| __attribute__((availability(macosx,strict,introduced=10.12))) \ | |
| __attribute__((availability(ios,strict,introduced=10.0))) \ | |
| __attribute__((availability(tvos,strict,introduced=10.0))) \ | |
| __attribute__((availability(watchos,strict,introduced=3.0))) | |
| # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable)) | |
| # define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable)) | |
| # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST __attribute__((unavailable)) | |
| # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \ | |
| __attribute__((availability(macosx,strict,introduced=10.12))) \ | |
| __attribute__((availability(ios,strict,introduced=10.0))) \ | |
| __attribute__((availability(tvos,strict,introduced=10.0))) \ | |
| __attribute__((availability(watchos,strict,introduced=3.0))) | |
| # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \ | |
| __attribute__((availability(macosx,strict,introduced=10.12))) \ | |
| __attribute__((availability(ios,strict,introduced=10.0))) \ | |
| __attribute__((availability(tvos,strict,introduced=10.0))) \ | |
| __attribute__((availability(watchos,strict,introduced=3.0))) | |
| # define _LIBCPP_AVAILABILITY_FUTURE_ERROR \ | |
| __attribute__((availability(ios,strict,introduced=6.0))) | |
| # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \ | |
| __attribute__((availability(macosx,strict,introduced=10.9))) \ | |
| __attribute__((availability(ios,strict,introduced=7.0))) | |
| # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \ | |
| __attribute__((availability(macosx,strict,introduced=10.9))) \ | |
| __attribute__((availability(ios,strict,introduced=7.0))) | |
| # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \ | |
| __attribute__((availability(macosx,strict,introduced=10.9))) \ | |
| __attribute__((availability(ios,strict,introduced=7.0))) | |
| #else | |
| # define _LIBCPP_AVAILABILITY_SHARED_MUTEX | |
| # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS | |
| # define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH | |
| # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST | |
| # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS | |
| # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE | |
| # define _LIBCPP_AVAILABILITY_FUTURE_ERROR | |
| # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE | |
| # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY | |
| # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR | |
| #endif | |
| // Define availability that depends on _LIBCPP_NO_EXCEPTIONS. | |
| #ifdef _LIBCPP_NO_EXCEPTIONS | |
| # define _LIBCPP_AVAILABILITY_DYNARRAY | |
| # define _LIBCPP_AVAILABILITY_FUTURE | |
| # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST | |
| #else | |
| # define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH | |
| # define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR | |
| # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST \ | |
| _LIBCPP_AVAILABILITY_BAD_ANY_CAST | |
| #endif | |
| // Availability of stream API in the dylib got dropped and re-added. The | |
| // extern template should effectively be available at: | |
| // availability(macosx,introduced=10.9) | |
| // availability(ios,introduced=7.0) | |
| #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) && \ | |
| ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ | |
| __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \ | |
| (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \ | |
| __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000)) | |
| #define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE | |
| #endif | |
| #if defined(_LIBCPP_COMPILER_IBM) | |
| #define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO | |
| #endif | |
| #if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) | |
| # define _LIBCPP_PUSH_MACROS | |
| # define _LIBCPP_POP_MACROS | |
| #else | |
| // Don't warn about macro conflicts when we can restore them at the | |
| // end of the header. | |
| # ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS | |
| # define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS | |
| # endif | |
| # if defined(_LIBCPP_COMPILER_MSVC) | |
| # define _LIBCPP_PUSH_MACROS \ | |
| __pragma(push_macro("min")) \ | |
| __pragma(push_macro("max")) | |
| # define _LIBCPP_POP_MACROS \ | |
| __pragma(pop_macro("min")) \ | |
| __pragma(pop_macro("max")) | |
| # else | |
| # define _LIBCPP_PUSH_MACROS \ | |
| _Pragma("push_macro(\"min\")") \ | |
| _Pragma("push_macro(\"max\")") | |
| # define _LIBCPP_POP_MACROS \ | |
| _Pragma("pop_macro(\"min\")") \ | |
| _Pragma("pop_macro(\"max\")") | |
| # endif | |
| #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) | |
| #ifndef _LIBCPP_NO_AUTO_LINK | |
| # if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) | |
| # if defined(_DLL) | |
| # pragma comment(lib, "c++.lib") | |
| # else | |
| # pragma comment(lib, "libc++.lib") | |
| # endif | |
| # endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) | |
| #endif // _LIBCPP_NO_AUTO_LINK | |
| #endif // __cplusplus | |
| #endif // _LIBCPP_CONFIG |